Well I'm guessing that you have more than one in the tank, right? If you do I'm sure it's because they are trying to attract one another to breed. Fish attract each other by shaking and flashing their fins.
it's suprisingly natural for your Oscar fish to move rocks. mine does to, they are called the dog of the water because they like to rearange the funature.
Fish Hooks - 2010 Milo and Oscar Move In 2-20 was released on: USA: 8 June 2012
Oscar is a type of fish so he is a Oscar fish
Oscar fishes breed is Oscar
Oscar fish can be caught in the canals of Southern Florida.
Not totally sure but if the black Oscar is bigger that could be the reason
Yes. The oscar is a freshwater fish, and cannot tolerate saltwater.
No,But their smart
oscar
no sponges do not eat small fish they move slowly across the ground like starfish and eat bacteria of rocks and coral.
Where can I find the King Oscar Fish balls that were popular in retail stores ten years ago. They are made by King Oscar.
Oscar fish change colors when they are stressed. They dig because they are curious.
because oscar rocks